When to Check

Check the tires once a month or more.

Do not forget the spare tire. See Full-Size Spare Tire   for additional information.

    See also:

    Recommended Fuel
    Use premium unleaded gasoline with a posted octane rating of 91 or higher. You can also use regular unleaded gasoline rated at 87 octane or higher, but the vehicle's acceleration could be slig ...

    Special Application Services
    - Vehicles with manual transmissions: Every two years drain, flush, and fill clutch hydraulic system. - Severe Commercial Use Vehicles Only: Lubricate chassis components every 5 000 km/3, ...

    Transportation Options
    Warranty service can generally be completed while you wait. However, if you are unable to wait, GM helps to minimize inconvenience by providing several transportation options. Depending on the cir ...